FR2980992B1 - SYSTEM FOR TRANSFERRING ELECTRIC ENERGY IN THERMAL ENERGY - Google Patents

SYSTEM FOR TRANSFERRING ELECTRIC ENERGY IN THERMAL ENERGY

Info

Publication number
FR2980992B1
FR2980992B1 FR1158968A FR1158968A FR2980992B1 FR 2980992 B1 FR2980992 B1 FR 2980992B1 FR 1158968 A FR1158968 A FR 1158968A FR 1158968 A FR1158968 A FR 1158968A FR 2980992 B1 FR2980992 B1 FR 2980992B1
Authority
FR
France
Prior art keywords
electrodes
pulse
energy
area
potential difference
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
FR1158968A
Other languages
French (fr)
Other versions
FR2980992A1 (en
Inventor
Eric Freysz
Jean-Paul Robert-Arnouil
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Centre National de la Recherche Scientifique CNRS
Europlasma SA
Original Assignee
Centre National de la Recherche Scientifique CNRS
Europlasma SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Centre National de la Recherche Scientifique CNRS, Europlasma SA filed Critical Centre National de la Recherche Scientifique CNRS
Priority to FR1158968A priority Critical patent/FR2980992B1/en
Priority to JP2014533906A priority patent/JP6150810B2/en
Priority to PCT/EP2012/069647 priority patent/WO2013050492A1/en
Priority to US14/350,312 priority patent/US9522436B2/en
Priority to EP12770475.7A priority patent/EP2764758B1/en
Publication of FR2980992A1 publication Critical patent/FR2980992A1/en
Application granted granted Critical
Publication of FR2980992B1 publication Critical patent/FR2980992B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/06—Arrangements or circuits for starting the arc, e.g. by generating ignition voltage, or for stabilising the arc
    • B23K9/067—Starting the arc
    • B23K9/0672—Starting the arc without direct contact between electrodes
    • B23K9/0675—Ionization of the arc gap by means of radiation or particle bombardtent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K10/00—Welding or cutting by means of a plasma
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K10/00—Welding or cutting by means of a plasma
    • B23K10/006—Control circuits therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K10/00—Welding or cutting by means of a plasma
    • B23K10/02—Plasma welding
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00—Generating plasma; Handling plasma
    • H05H1/24—Generating plasma
    • H05H1/26—Plasma torches
    • H05H1/32—Plasma torches using an arc
    • H05H1/34—Details, e.g. electrodes, nozzles
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00—Generating plasma; Handling plasma
    • H05H1/24—Generating plasma
    • H05H1/26—Plasma torches
    • H05H1/32—Plasma torches using an arc
    • H05H1/34—Details, e.g. electrodes, nozzles
    • H05H1/3421—Transferred arc or pilot arc mode

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Plasma Technology (AREA)
  • Arc Welding In General (AREA)
  • Lasers (AREA)
  • Discharge Heating (AREA)

Abstract

The invention relates to a system for converting electric energy into thermal energy. The system comprises: two electrodes (1, 2) which are separated by a distance d along the axis joining same and which can create field lines that define an area of influence when subjected to a potential difference (pd), a device (20) for providing electric power to the electrodes and capable of providing the potential difference (pd), and a device for igniting an electric arc between the two electrodes. Said ignition device comprises: a device (30) for emitting a laser pulse; and a device (40) for focusing the pulse at N focal points located in the influence area of the two electrodes, with a pulse peak power density per focal point of more than 1 GW/cm2, wherein N is determined as a function of the pulse peak power and distance d, which is fixed, such as to form an electrically conductive area between the two electrodes.
FR1158968A 2011-10-05 2011-10-05 SYSTEM FOR TRANSFERRING ELECTRIC ENERGY IN THERMAL ENERGY Active FR2980992B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR1158968A FR2980992B1 (en) 2011-10-05 2011-10-05 SYSTEM FOR TRANSFERRING ELECTRIC ENERGY IN THERMAL ENERGY
JP2014533906A JP6150810B2 (en) 2011-10-05 2012-10-04 System for converting electrical energy into thermal energy
PCT/EP2012/069647 WO2013050492A1 (en) 2011-10-05 2012-10-04 System for converting electric energy into thermal energy
US14/350,312 US9522436B2 (en) 2011-10-05 2012-10-04 System for converting electric energy into thermal energy
EP12770475.7A EP2764758B1 (en) 2011-10-05 2012-10-04 System for converting electric energy into thermal energy

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1158968A FR2980992B1 (en) 2011-10-05 2011-10-05 SYSTEM FOR TRANSFERRING ELECTRIC ENERGY IN THERMAL ENERGY

Publications (2)

Publication Number Publication Date
FR2980992A1 FR2980992A1 (en) 2013-04-12
FR2980992B1 true FR2980992B1 (en) 2013-11-29

Family

ID=47010582

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1158968A Active FR2980992B1 (en) 2011-10-05 2011-10-05 SYSTEM FOR TRANSFERRING ELECTRIC ENERGY IN THERMAL ENERGY

Country Status (5)

Country Link
US (1) US9522436B2 (en)
EP (1) EP2764758B1 (en)
JP (1) JP6150810B2 (en)
FR (1) FR2980992B1 (en)
WO (1) WO2013050492A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10639714B2 (en) 2017-10-26 2020-05-05 General Electric Company Applying electric pulses through a laser induced plasma channel for use in a 3-D metal printing process
JP6740299B2 (en) * 2018-08-24 2020-08-12 ファナック株式会社 Processing condition adjusting device and machine learning device
DE102022131436A1 (en) 2022-11-28 2024-05-29 TRUMPF Hüttinger GmbH + Co. KG Device for generating a plasma, high-temperature processing plant with such a device and method for operating such a device or plant

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3404403A (en) * 1966-01-20 1968-10-01 Itt Laser beam antenna
US4179599A (en) * 1978-05-08 1979-12-18 The United States Of America As Represented By The Secretary Of The Army Laser plasmatron
EP0586370B1 (en) * 1991-05-28 1997-04-02 KONKOLA, Seppo Taneli A method for generating and exploiting a plasma ball or a similar phenomenon in a chamber and the chamber
EP0782489B1 (en) * 1994-09-23 1998-03-18 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Process for welding workpieces
US5705785A (en) * 1994-12-30 1998-01-06 Plasma-Laser Technologies Ltd Combined laser and plasma arc welding torch
US6373023B1 (en) * 1999-03-02 2002-04-16 General Dynamics (Ots) Aerospace, Inc. ARC discharge initiation for a pulsed plasma thruster
US6191386B1 (en) * 1999-04-22 2001-02-20 The Ohio State University Method and apparatus for initiating, directing and constricting electrical discharge arcs
US6388227B1 (en) * 1999-07-15 2002-05-14 Plasma Laser Technologies Ltd. Combined laser and plasma-arc processing torch and method
FR2809645B1 (en) * 2000-05-31 2002-09-27 Air Liquide APPLICATION OF A LASER-ARC HYBRID PROCESS TO TUBE WELDING
FR2809648B1 (en) * 2000-05-31 2002-08-30 Air Liquide METHOD AND INSTALLATION FOR HYBRID LASER AND ELECTRIC ARC WELDING, PARTICULARLY FOR AUTOMOTIVE PARTS OR TUBES
JP4221755B2 (en) * 2001-09-20 2009-02-12 株式会社安川電機 Laser neutralizing and charging method and apparatus
JP2004001084A (en) * 2002-03-28 2004-01-08 Ishikawajima Harima Heavy Ind Co Ltd Twin spotting laser welding method and equipment
WO2006001242A1 (en) * 2004-06-25 2006-01-05 Komatsu Industries Corporation Multiple thermal cutting device and multiple thermal cutting method

Also Published As

Publication number Publication date
EP2764758B1 (en) 2015-12-30
JP2014534561A (en) 2014-12-18
US9522436B2 (en) 2016-12-20
JP6150810B2 (en) 2017-06-21
EP2764758A1 (en) 2014-08-13
WO2013050492A1 (en) 2013-04-11
FR2980992A1 (en) 2013-04-12
US20150021301A1 (en) 2015-01-22

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